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Chevy piston 4.125 bore 6.00 rod left right configuration detail

Small Block Chevy 23° 4.125 bore, 6.00 rod, 1.00 ch -21cc dish 10.8 cr, 1mm,1mm, 2mm rings - Lefts & Rights (CP Bullets BCRE1130-STD)

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CP Bullets BCRE1130-030 Small Block Chevy Piston Detail

Small Block Chevy 23° 4.155 bore, 6.00 rod, 1.00 ch -21cc dish 10.8 cr, 1mm,1mm, 2mm rings - Lefts & Rights (CP Bullets BCRE1130-030)

Small Block Chevy 23° 4.155 bore, 6.00 rod, 1.00 ch -21cc dish 10.8 cr, 1.5mm,1.5mm, 3mm rings (CP Bullets BC1130-030)

These Pistons are not held in stock in Australia. We ship every Friday from CP Carrillo so please allow up to 2 weeks for delivery to you.
AUD$1,495.45
In stock
SKU
BC1130-030
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Make

Chevrolet

Engine Type

Small Block

Part Number

BC1130-030

Bore (in)

4.155

Stroke (in)

4

Rod Length (in)

6

Comp Height

1

Head Type

All 23 deg heads

Head CC

58

Dome / Dish Height

-0.118

Dom/Dish CC

-20.6

Compression Ratio

11

Pin

.927 x 2.500

Ring Thickness

1.5 x 1.5 x 3.0mm

VR Depth

-.310 / -.310

Cubic Inch

434

Piston Weight

419

Style

Dish

Valve Reliefs

2 VR's

Gas Port

No

More Information
Product Name Small Block Chevy 23° 4.155 bore, 6.00 rod, 1.00 ch -21cc dish 10.8 cr, 1.5mm,1.5mm, 3mm rings (CP Bullets BC1130-030)
Brands CP Carrillo
Engine SB Chevrolet / Holden
Make GM

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What information do I need to match these pistons to my engine?

You need the engine code, bore size, stroke, rod length, pin diameter and target compression ratio. These determine the correct piston compression height and crown design.

How should ring gaps be set for these pistons?

Ring gaps must be set by your engine builder based on fuel type, boost level and the intended rpm range. Forced-induction engines usually require larger gaps.

Are forged pistons suitable for street engines?

Yes. Forged pistons handle detonation and high cylinder pressure better than cast units. Your builder should set the piston-to-bore clearance to suit your application.

What is the recommended bore clearance for the BC1130-030 pistons?

For the BC1130-030 pistons, a typical bore clearance is around 0.0030" to 0.0035". However, it's essential to consult with your engine builder, as clearances can vary based on the specific application and intended use.

What compression ratio can I expect with the BC1130-030 pistons?

The BC1130-030 pistons are designed to achieve a compression ratio of approximately 11:1 when used with 58cc heads. Keep in mind that actual compression may vary based on factors such as head gasket thickness and chamber modifications.

What type of rings are included with the BC1130-030 pistons?

The BC1130-030 pistons come with 1.5mm x 1.5mm x 3.0mm ring sets. Ensure that the ring gaps are set according to your engine's specifications for optimal performance.

Are the BC1130-030 pistons suitable for high-performance applications?

Yes, the BC1130-030 pistons are designed for high-performance applications in Small Block Chevy engines. However, reliability will depend on proper machining, tuning, and fuel quality.

What is the weight of the BC1130-030 pistons, and how does it affect engine balance?

The BC1130-030 pistons weigh 419 grams. When building your engine, ensure that the rotating assembly is balanced, taking into account the piston weight to maintain optimal performance and reliability.